Civil Services Prep

Prelims 2020 · Science and Technology · Question 7

Which of the following statements are correct regarding the general difference between plant and animal cells? 1. Plant cells have cellulose cell walls whilst animal cells do not. 2. Plant cells do not have plasma membrane unlike animal cells which do. 3. Mature plant cell has one large vacuole whilst animal cell has many small vacuoles. Select the correct answer using the code given below:

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer

1 and 3 only

1. Correct. Plant cells have a cellulose cell wall; animal cells lack a cell wall.

2. Incorrect. Both plant and animal cells have a plasma membrane; in plants, it lies just inside the cell wall.

3. Correct. A mature plant cell typically has one large central vacuole, while animal cells usually have many small vacuoles or less prominent vacuoles.

Therefore, the correct answer is 1 and 3 only — (c).

  1. Which of the following statements with regard to genetic medicine is/are correct ? 1. Genetic medicines…
  2. Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are…
  3. Which of the following statements with regard to stealth technology is/are correct ? 1. Stealth objects have a…
  4. Which of the following statements with regard to Black Boxes used in modern aircrafts is/are correct ? 1. They…
  5. Consider the following statements with regard to involvement of private entities in India's space programme :…
  6. Which of the following statements with regard to drone swarms is/are correct ? 1. They use Terahertz band of…